Home / 205,137,714.80-307,445,298.60-83,832,114.80

Finding the Fourth Proportional to 205,137,714.80, 307,445,298.60 and 83,832,114.80

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Solution

The fourth proportional to 205,137,714.80, 307,445,298.60 and 83,832,114.80 is: 125,641,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,137,714.80 : 307,445,298.60 = 83,832,114.80 : x
  2. Step 2: Convert to fraction form
    205,137,714.80/307,445,298.60 = 83,832,114.80/x
  3. Step 3: Cross multiply
    205,137,714.80x = 307,445,298.60 × 83,832,114.80
  4. Step 4: Simplify right side
    205,137,714.80x = 25,773,789,566,955,480
  5. Step 5: Solve for x
    x = 25,773,789,566,955,480/205,137,714.80
  6. Step 6: Final answer
    x = 125,641,399.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.